Geometric representation of power and power factor – Rockwell Automation 1420 PowerMonitor 500 User Manual
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Rockwell Automation Publication 1420-UM001D-EN-P - September 2013
Appendix A
PowerMonitor 500 Unit Data Tables
Geometric Representation of
Power and Power Factor
Power and power factor values are signed values in accordance with EN 62053
and as indicated in the diagram. Inductive or lagging power factor (Quadrant I
and III) is indicated by a positive power factor value. Capacitive or leading power
factor is indicated by a negative value.
a
b
Q
P
c
d
a = Exported real power
b = Imported real power
c = Imported reactive power
d = Exported reactive power
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